What nutrients do puppies need

Puppies need higher protein than adult dogs to support muscle development, usually 22 to 32 percent on a dry matter basis. They need controlled but adequate calcium and phosphorus for bone development. DHA (docosahexaenoic acid) supports brain and eye development and should be listed on the label. Look for food that carries an AAFCO statement saying it meets nutritional requirements for growth and reproduction, not just maintenance.

When to switch from puppy to adult food

Small breeds mature faster and can switch to adult food at 9 to 12 months. Medium breeds switch around 12 months. Large breeds should stay on puppy food or transition to an adult large-breed formula at 12 to 18 months. Giant breeds like Great Danes may stay on puppy food until 18 to 24 months. Switching too early deprives puppies of development-critical nutrients. Switching too late can cause unnecessary weight gain.

Frequently Asked Questions

How much should I feed my puppy?
Follow the feeding chart on the specific food you choose, based on your puppy's current weight and expected adult weight. Puppies typically eat three meals a day until 6 months, then switch to two meals. The chart serves as a starting point. Adjust based on your puppy's body condition: you should be able to feel their ribs without pressing hard but not see them.
Is grain-free puppy food safe?
There is ongoing FDA research into a potential link between grain-free diets and dilated cardiomyopathy in some dogs. Most veterinary cardiologists currently recommend against grain-free diets, especially for puppies, until more data is available. Grain-free diets were largely based on a misunderstanding that grains are harmful to dogs. They are not for most dogs.
Can I feed my puppy raw food?
Raw diets carry higher risk of bacterial contamination like Salmonella and E. coli, which is a concern both for the puppy and for people in the household handling the food. Most veterinary organizations including the American Veterinary Medical Association advise against raw diets for puppies due to developing immune systems. If you want a high-protein approach, look for high-quality cooked whole ingredient formulas instead.
When can a puppy start eating dry kibble?
Puppies can start transitioning to dry kibble at around 3 to 4 weeks of age, softened with warm water. By 6 to 8 weeks, most puppies eat dry kibble without softening. Always make sure fresh water is available alongside dry food.

Bottom Line

Hill's Science Diet Puppy is the safest all-around choice for small to medium breeds, backed by decades of veterinary recommendation and feeding trial data. For large breed puppies, Royal Canin Large Breed Puppy is the only formula that controls calcium precisely enough to prevent developmental joint problems. And for owners who want vet-quality nutrition at a lower price, Purina Pro Plan Shredded Blend delivers.

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